[INFO] cloning repository https://github.com/mook/paperback
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mook/paperback" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmook%2Fpaperback", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmook%2Fpaperback'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7189d0a7ee0a1e73e76123bf9546750d99750556
[INFO] checking mook/paperback against master#cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3 for pr-135841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmook%2Fpaperback" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mook/paperback on toolchain cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mook/paperback
[INFO] finished tweaking git repo https://github.com/mook/paperback
[INFO] tweaked toml for git repo https://github.com/mook/paperback written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mook/paperback already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vergen-lib v0.1.4
[INFO] [stderr]   Downloaded gix-url v0.27.5
[INFO] [stderr]   Downloaded vergen v9.0.1
[INFO] [stderr]   Downloaded gix-trace v0.1.10
[INFO] [stderr]   Downloaded vergen-gix v1.0.2
[INFO] [stderr]   Downloaded gix-validate v0.9.0
[INFO] [stderr]   Downloaded chksum-hash-core v0.0.0
[INFO] [stderr]   Downloaded rxing-one-d-proc-derive v0.5.3
[INFO] [stderr]   Downloaded bit_reverse v0.1.8
[INFO] [stderr]   Downloaded jiff-tzdb-platform v0.1.1
[INFO] [stderr]   Downloaded chksum-hash-sha2-512 v0.0.1
[INFO] [stderr]   Downloaded codepage-437 v0.1.0
[INFO] [stderr]   Downloaded gix-diff v0.46.0
[INFO] [stderr]   Downloaded qrcode v0.14.1
[INFO] [stderr]   Downloaded svg2pdf v0.8.0
[INFO] [stderr]   Downloaded gix-config v0.40.0
[INFO] [stderr]   Downloaded gix-pack v0.53.0
[INFO] [stderr]   Downloaded gix-index v0.35.0
[INFO] [stderr]   Downloaded jiff-tzdb v0.1.1
[INFO] [stderr]   Downloaded gix-sec v0.10.8
[INFO] [stderr]   Downloaded reed-solomon-simd v2.2.2
[INFO] [stderr]   Downloaded gix-odb v0.63.0
[INFO] [stderr]   Downloaded gix v0.66.0
[INFO] [stderr]   Downloaded gix-ref v0.47.0
[INFO] [stderr]   Downloaded gix-tempfile v14.0.2
[INFO] [stderr]   Downloaded gix-object v0.44.0
[INFO] [stderr]   Downloaded gix-traverse v0.41.0
[INFO] [stderr]   Downloaded gix-actor v0.32.0
[INFO] [stderr]   Downloaded gix-discover v0.35.0
[INFO] [stderr]   Downloaded pdf-writer v0.9.3
[INFO] [stderr]   Downloaded gix-glob v0.16.5
[INFO] [stderr]   Downloaded gix-revision v0.29.0
[INFO] [stderr]   Downloaded gix-fs v0.11.3
[INFO] [stderr]   Downloaded gix-date v0.9.0
[INFO] [stderr]   Downloaded gix-revwalk v0.15.0
[INFO] [stderr]   Downloaded gix-config-value v0.14.8
[INFO] [stderr]   Downloaded gix-refspec v0.25.0
[INFO] [stderr]   Downloaded gix-path v0.10.11
[INFO] [stderr]   Downloaded jiff v0.1.13
[INFO] [stderr]   Downloaded rxing v0.6.1
[INFO] [stderr]   Downloaded printpdf v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cfd2a50da43380b8f21a08ae4953d9ee4d0991105482876c5a52a59e29ffb57
[INFO] running `Command { std: "docker" "start" "-a" "6cfd2a50da43380b8f21a08ae4953d9ee4d0991105482876c5a52a59e29ffb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cfd2a50da43380b8f21a08ae4953d9ee4d0991105482876c5a52a59e29ffb57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cfd2a50da43380b8f21a08ae4953d9ee4d0991105482876c5a52a59e29ffb57", kill_on_drop: false }`
[INFO] [stdout] 6cfd2a50da43380b8f21a08ae4953d9ee4d0991105482876c5a52a59e29ffb57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfe47ec886c4b310f633e3ddabfe962c870b0960fc384bec25d97ea135781e1a
[INFO] running `Command { std: "docker" "start" "-a" "bfe47ec886c4b310f633e3ddabfe962c870b0960fc384bec25d97ea135781e1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling faster-hex v0.9.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling gix-trace v0.1.10
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling prodash v28.0.0
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]     Checking bytemuck v1.18.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling flate2 v1.0.34
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling jiff v0.1.13
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking fdeflate v0.3.5
[INFO] [stderr]    Compiling gix-utils v0.1.12
[INFO] [stderr]    Compiling built v0.7.4
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking v_frame v0.3.8
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]     Checking png v0.17.14
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking kurbo v0.9.5
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]     Checking tiny-skia-path v0.10.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling vergen-lib v0.1.4
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling gix-sec v0.10.8
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]     Checking imgref v1.10.1
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking bitstream-io v2.5.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking roxmltree v0.20.0
[INFO] [stderr]     Checking rctree v0.5.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking svgtypes v0.11.0
[INFO] [stderr]    Compiling clru v0.6.2
[INFO] [stderr]     Checking ttf-parser v0.19.2
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking av1-grain v0.2.3
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking usvg-tree v0.35.0
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling tempfile v3.12.0
[INFO] [stderr]     Checking fontconfig-parser v0.5.7
[INFO] [stderr]    Compiling vergen v9.0.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]     Checking avif-serialize v0.8.1
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]    Compiling bstr v1.10.0
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]     Checking memmap2 v0.6.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking safe_arch v0.7.2
[INFO] [stderr]     Checking rgb v0.8.50
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling readme-rustdocifier v0.1.1
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]     Checking unicode-script v0.5.7
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking zune-jpeg v0.4.13
[INFO] [stderr]    Compiling chrono-tz-build v0.3.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]     Checking image-webp v0.1.3
[INFO] [stderr]     Checking roxmltree v0.18.1
[INFO] [stderr]     Checking wide v0.7.28
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]    Compiling vergen-gix v1.0.2
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking imagesize v0.12.0
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]     Checking ttf-parser v0.24.1
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking data-url v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/cd805f09ffbfa3896c8f50a619de9b67e1d9f3c3/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.79/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=7eeac01a6f7a1095 -C extra-filename=-baaa49e3f80197c9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7eb4b82dd2ecf777.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-993a3289d8dd519c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d14904b1232aa2ec.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bfe47ec886c4b310f633e3ddabfe962c870b0960fc384bec25d97ea135781e1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe47ec886c4b310f633e3ddabfe962c870b0960fc384bec25d97ea135781e1a", kill_on_drop: false }`
[INFO] [stdout] bfe47ec886c4b310f633e3ddabfe962c870b0960fc384bec25d97ea135781e1a